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Warmest beach in Hawaii in October

111 coastal locations in Hawaii ranked by their typical October sea temperature. State-wide average in October: 27.1°C.

Warmest in October

Island of Hawaii

27.4°C

State October average

27.1°C

across 111 coastal locations in Hawaii

Vs annual mean

+1.3°C

above the year-round state average

What the Hawaii water feels like in October

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Hawaii monthly average 24.4°C to 27.2°C
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  • Warmest month September 27.2°C
  • Coldest month March 24.4°C
  • Annual mean 25.8°C
  • Months above 20°C 12 of 12

Where October fits in the year

October sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

Hawaii sea temperature map (live)

Today's reading at every Hawaii beach we track. The list below uses the typical October mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Hawaii beaches in October

Sorted by typical October mean. Click any beach for the full location page.

# Location October mean
1 Island of Hawaii Hawaii 27.4°C
2 Kahaluu-Keauhou Hawaii 27.4°C
3 Kailua Kona Hawaii 27.4°C
4 Kealakekua Bay Hawaii 27.4°C
5 Nonopapa, Niihau Island, Hawaii Hawaii 27.4°C
6 Napoopoo, Kealakekua Bay, Hawaii Island, Hawaii Hawaii 27.4°C
7 Port Allen, Hanapepe Bay, Kauai Island Hawaii 27.4°C
8 Waimea Bay, Kauai Island, Hawaii Hawaii 27.4°C
9 Kua Bay Hawaii 27.4°C
10 Eleele Hawaii 27.3°C
11 Hanapepe Hawaii 27.3°C
12 Kekaha Hawaii 27.3°C
13 Waianae, Oahu Island, Hawaii Hawaii 27.3°C
14 Kaumalapau, Lanai Island, Hawaii Hawaii 27.3°C
15 Lihue Hawaii 27.3°C
16 Poipu Hawaii 27.3°C
17 Hanamaulu Bay, Kauai Island, Hawaii Hawaii 27.3°C
18 Nawiliwili, Nawiliwili Harbor, Kauai Island Hawaii 27.3°C
19 Hapuna Beach Hawaii 27.3°C
20 Puako Hawaii 27.3°C
21 Waikoloa Village Hawaii 27.3°C
22 French Frigate Shoals Hawaii 27.3°C
23 Kuheia Bay, Kahoolawe Island, Hawaii Hawaii 27.3°C
24 Smuggler Cove, Kahoolawe Island, Hawaii Hawaii 27.3°C
25 East Island, French Frigate Shoals, Hawaii Hawaii 27.2°C
Show 25 more ▸
26 Fort Kamehameha, Bishop Point, Pearl Harbor, Oahu Island Hawaii 27.2°C
27 Honolulu, Honolulu Harbor, Oahu Island Hawaii 27.2°C
28 Laysan Island, Hawaii Hawaii 27.2°C
29 Moku o Loe, Kaneohe Bay, Oahu Island Hawaii 27.2°C
30 Pearl Harbor, Ford Island Ferry Dock, Oahu Island Hawaii 27.2°C
31 Kaunakakai Harbor, Molokai Island Hawaii 27.2°C
32 Kolo, Molokai Island, Hawaii Hawaii 27.2°C
33 Hanalei Bay, Kauai Island, Hawaii Hawaii 27.2°C
34 Haleiwa, Waialua Bay, Oahu Island, Hawaii Hawaii 27.2°C
35 Mahukona, Hawaii Island, Hawaii Hawaii 27.2°C
36 Ewa Beach Hawaii 27.1°C
37 Kamalo Harbor, Molokai Island, Hawaii Hawaii 27.1°C
38 Ko Olina Hawaii 27.1°C
39 Lanai Hawaii 27.1°C
40 Maili Hawaii 27.1°C
41 Makaha Hawaii 27.1°C
42 Nanakuli Hawaii 27.1°C
43 Oahu Hawaii 27.1°C
44 Pukoo Harbor, Molokai Island, Hawaii Hawaii 27.1°C
45 Waianae Hawaii 27.1°C
46 Waipahu Hawaii 27.1°C
47 Hanauma Bay, Oahu Island, Hawaii Hawaii 27.1°C
48 Waimanalo, Oahu Island, Hawaii Hawaii 27.1°C
49 Kawaihae Hawaii 27.1°C
50 Makena, Maui Island, Hawaii Hawaii 27.1°C

Coldest 10 in Hawaii in October

Same data the other way.

# Location October mean
1 Hana Hawaii 26.8°C
2 Hauula Hawaii 26.8°C
3 Kaaawa Hawaii 26.8°C
4 Kahuku Hawaii 26.8°C
5 Laie Hawaii 26.8°C
6 Punaluu Hawaii 26.8°C
7 Hana, Maui Island, Hawaii Hawaii 26.8°C
8 Hanauma Bay Hawaii 26.9°C
9 Hilo Bay Hawaii 26.9°C
10 Hilo, Hilo Bay, Kuhio Bay Island Hawaii 26.9°C

Other US states

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